It blocks an enzyme called NNMT, which helps control how cells use nicotinamide
From the above section, we know that animal products are the primary dietary sources of vitamin B12: meat, poultry, fish, eggs, and dairy products
Thymosin Beta-4 Stimulates Endothelial Cell Migration and Angiogenesis
You Have Absorption Issues Some people have trouble properly absorbing vitamin B12 from foods and oral supplements due to digestive disorders like celiac disease or Crohns disease
doi: 10.3389/fphar.2025.1602976 Received 30 March 2025 Revised 13 November 2025 Accepted 14 November 2025 Published 19 December 2025 Volume 16 - 2025 Edited by Bernd Rosenkranz, Fundisa African Academy of Medicines Development, South Africa Reviewed by Kacper Nijakowski, Poznan University of Medical Sciences, Poland Miriam Njoki Karinja, Science for Africa Foundation, Kenya Updates Copyright 2025 Mazur, Ndokaj, Salerno, Vallone, Ardan, Bietolini, Carrouel, Wilk, Sarig, Ottolenghi and Bourgeois
For this reason, even those who consume sufficient amounts of vitamin B12 in their diets could still have a functional B12 deficiency